Sustainable Energy With Hybrid Systems

Dissimilar fossil fuels such as oil and natural gas

, renewable energy is stable because it is derived from endless sources such as the sun (solar), wind, biomass, water (hydro) and geothermal. Renewable energy sources are not human made and appear naturally.

Alternative Energy Sources

Because of their sustainability, renewable energy sources can be counted upon for producing long term, cost effectual and efficient power. Also known as 'green energy', these environment friendly power sources are commonly non-polluting and cleaner to use than fossil fuels such as oil. When commonly used in systems to produce electricity, they do not emit off toxic waste or provide greenhouse gases.

At the level of our current electricity generating technology, the basic alternative energy sources are solar, wind, hydroelectric and hybrid systems.

Solar power is made from sunlight, in the case of electricity generation or, in the case of solar hot water systems, the heat from the sun. Solar panels are commonly mounted on the roof to permit a path for the sun's energy. Solar hot water systems are very efficient and have been used for many years whilst solar electricity is a reasonably new technology. Solar electricity is generated by photovoltaic cells contained in the solar panel. The cells produce an electric voltage when sunlight falls on them.

Wind power uses the force of the wind to drive a wind turbine which generates electricity in the conventional way. Exactly like a common windmill, the water pump is replaced by an electric generator. Wind generators use a completely natural phenomenon to generate green renewable clean energy.

Hydroelectric electricity is electricity generated by the force of water flowing over and driving a water turbine or generator. Instead of wind as in a wind turbine, the flowing water rotates the turbine's blades. Like wind turbines, the effectiveness of hydroelectric systems is dependent on the availability of a good supply of flowing water. There are micro-hydroelectric systems available which can be used in remote areas where there is a good water supply.

Hybrid power supply systems are simply a combination of the already mentioned energy sources. Customarily consisting of solar panels and wind turbines, these can also integrate more usual generating equipment such as diesel generators and battery banks. The current technology for these systems is already quite mature and well tested. Because of the flexibility offered by hybrid systems, these are comparatively easy to upgrade or expand as required.

When it comes to performing an alternative green energy system, there are many possibilities ranging from the complete professional system costing many thousands of dollars up front to the main system which starts off small and can be expanded when more funds are available.

In the years to come, we will hear more and more about green energy and as the power bills continue to raise, the cost of going green will begin to look very adorable.

by: Jacob Blaney

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